--- title: "open-webui vs chatterbox-tts-api" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/open-webui-open-webui-vs-travisvn-chatterbox-tts-api" tools: ["open-webui-open-webui", "travisvn-chatterbox-tts-api"] --- # open-webui vs chatterbox-tts-api *GraphCanon updated Jul 15, 2026* ## Verdict Pick open-webui when license: open-webui is Other, chatterbox-tts-api is AGPL-3.0; pick chatterbox-tts-api when license: chatterbox-tts-api is AGPL-3.0, open-webui is Other. [open-webui](https://openwebui.com) reports 145k GitHub stars, 21k forks, and 391 open issues, last pushed Jul 10, 2026. [chatterbox-tts-api](https://chatterboxtts.com) has 624 stars, 145 forks, and 16 open issues, last pushed Dec 23, 2025. Figures are from public GitHub metadata via [open-webui's repository](https://github.com/open-webui/open-webui) and [chatterbox-tts-api's repository](https://github.com/travisvn/chatterbox-tts-api). | | [open-webui](/tools/open-webui-open-webui.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Tagline | User-friendly AI Interface (Supports Ollama, OpenAI API, ...) | Local, OpenAI-compatible text-to-speech (TTS) API using Chatterbox, enabling users to generate voice cloned speech anywhere the OpenAI API is used (e.g. Open WebUI, AnythingLLM, etc.) | | Stars | 145,029 | 624 | | Forks | 21,005 | 145 | | Open issues | 391 | 16 | | Language | Python | Python | | Adopt for | Suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI. | - | | Persona | - | - | | Runtime | - | - | | License | Other | AGPL-3.0 | | Categories | Inference & Serving, LLM Frameworks | Inference & Serving, LLM Frameworks, Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [open-webui](/tools/open-webui-open-webui.md) | [chatterbox-tts-api](/tools/travisvn-chatterbox-tts-api.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Slowing (36%) | | Days since push | 0d | 204d | | Open issues (now) | 391 | 16 | | Owner type | Organization | User | | Full report | [trust report](/tools/open-webui-open-webui/trust.md) | [trust report](/tools/travisvn-chatterbox-tts-api/trust.md) | ## Decision facts: open-webui - **Adopt for:** Suitable for developers working with large language models who require a user-friendly interface and support for multiple APIs including Ollama and OpenAI. ## Choose when ### Choose open-webui if… - License: open-webui is Other, chatterbox-tts-api is AGPL-3.0. - Tags unique to open-webui: llm, openai, self-hosted. - When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface. ### Choose chatterbox-tts-api if… - License: chatterbox-tts-api is AGPL-3.0, open-webui is Other. - Tags unique to chatterbox-tts-api: chatgpt, chatterbox, cuda, docker. - Also covers Speech & Audio. ## When NOT to use open-webui - When looking for tooling that exclusively supports APIs other than Ollama and OpenAI, as these are specific areas of focus for open-webui. - If the requirement is a highly specialized interface tailored to specific tasks rather than a general AI interaction platform. ## When NOT to use chatterbox-tts-api - Last GitHub push was 204 days ago (slowing maintenance, Dec 23, 2025). Validate activity before betting a new project on chatterbox-tts-api. - Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ## Common questions ### What is the difference between open-webui and chatterbox-tts-api? open-webui: User-friendly AI Interface (Supports Ollama, OpenAI API, ...). chatterbox-tts-api: Local, OpenAI-compatible text-to-speech (TTS) API using Chatterbox, enabling users to generate voice cloned speech anywhere the OpenAI API is used (e.g. Open WebUI, AnythingLLM, etc.). See the comparison table for live GitHub stats and shared categories. ### When should I choose open-webui over chatterbox-tts-api? Choose open-webui over chatterbox-tts-api when License: open-webui is Other, chatterbox-tts-api is AGPL-3.0; Tags unique to open-webui: llm, openai, self-hosted; When you need to integrate multiple AI services, such as Ollama and OpenAI, into a unified user interface. ### When should I choose chatterbox-tts-api over open-webui? Choose chatterbox-tts-api over open-webui when License: chatterbox-tts-api is AGPL-3.0, open-webui is Other; Tags unique to chatterbox-tts-api: chatgpt, chatterbox, cuda, docker; Also covers Speech & Audio. ### When should I avoid open-webui? When looking for tooling that exclusively supports APIs other than Ollama and OpenAI, as these are specific areas of focus for open-webui. If the requirement is a highly specialized interface tailored to specific tasks rather than a general AI interaction platform. ### When should I avoid chatterbox-tts-api? Last GitHub push was 204 days ago (slowing maintenance, Dec 23, 2025). Validate activity before betting a new project on chatterbox-tts-api. Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ### Is open-webui or chatterbox-tts-api more popular on GitHub? open-webui has more GitHub stars (145,029 vs 624). Stars measure visibility, not whether either tool fits your constraints. ### Are open-webui and chatterbox-tts-api open source? Yes - both are open-source projects on GitHub (open-webui: Other, chatterbox-tts-api: AGPL-3.0). ### Where can I find alternatives to open-webui or chatterbox-tts-api? GraphCanon lists graph-backed alternatives at [open-webui alternatives](/tools/open-webui-open-webui/alternatives) and [chatterbox-tts-api alternatives](/tools/travisvn-chatterbox-tts-api/alternatives) ([open-webui markdown twin](/tools/open-webui-open-webui/alternatives.md), [chatterbox-tts-api markdown twin](/tools/travisvn-chatterbox-tts-api/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/open-webui-open-webui-vs-travisvn-chatterbox-tts-api.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, open-webui or chatterbox-tts-api? open-webui: Very active. chatterbox-tts-api: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for open-webui and chatterbox-tts-api? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [open-webui trust report](/tools/open-webui-open-webui/trust); [chatterbox-tts-api trust report](/tools/travisvn-chatterbox-tts-api/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=open-webui-open-webui`](/api/graphcanon/graph?tool=open-webui-open-webui) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_